Justin Timberlake has been announced as the host of this year's Capital FM Summertime Ball.

The US star will introduce acts at the massive pop event, which is taking place at London's Wembley Stadium on June 9.

The '20/20 Experience' singer and actor has previously hosted the likes of iconic TV show Saturday Night Live.

The line-up for the concert is due to be announced on Thursday (April 25) at 8am UK time.

Last year's Summertime Ball featured the likes of Justin Bieber, Jessie J and Katy Perry.